Quick test of a tiny QEV cannon firing air at 12atm, viewed through a Schlieren setup (no razor blade). Unedited at normal speed. I didn't quite understood the need for a razor blade but without one I still see the flow of air. For me, the razor blade just makes the dot of light smaller(?) If anyone can clarify me what the razor blade really does and where it should be placed (in the source of light or in the camera) I'd really appreciate. Also important to note that this is AWESOME to look with the naked eye but almost the dimmest light can blind you. I covered a tiny LED torch with aluminum foil and punctured a hole with a sewing needle, on the side! so that the LED doesn't bright directly through the hole. Take care with the eyes!!

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https://youtu.be/WDxAz5YWWbw?si=_-_un7FU9ukXLuBH In this episode, we set sail on a major milestone—our first offshore passage, leaving mainland Spain behind as we head toward the legendary island of Ibiza aboard our Lagoon 440 catamaran, KAIA. With perfect weather, calm seas, and a full day of sailing ahead, we embrace the freedom of life offshore and soak in every magical moment, including a close pass by the mystical rock formation of Es Vedrà. We anchor in secluded bays, take our pups Indy, Cooper, and Brooklyn ashore via dinghy, and even squeeze in a spontaneous detour to Formentera, often called the Maldives of the Med. After riding out a surprise storm, we explore the vibrant heart of Ibiza Town, climb the ancient walls of Dalt Vila, and reconnect with friends inland in Sant Josep. From peaceful sailing days to weathering rough anchorages, this week was packed with unforgettable firsts—and it’s only the beginning. Join us for adventure, discovery, and the real rhythm of life at sea. #SailingKaia #SailingIbiza #OffshorePassage #Formentera #SailingLife #LiveaboardLife #SailingCouple Don’t forget to like, comment, and subscribe to follow our journey as we sail sacred seas! 👍🏼👌🏼 Thanks for your support ❤️ Link in bio or search YouTube for ‘Sailing Sacred Seas’ – let’s set sail together! ⚓💙 We hope that you will follow us on insta, Facebook and YouTube - SAILING SACRED SEAS #sailing #yacht #cruiser #sailingboat #travel #wanderlust #nature #adventure #boatlife #lagoon440 #lagooncatamaran #sailingyoutube #catamaran

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Préparation de notre voilier Vif d'or pour la saison de navigation 2023. Parking chez USHIP Bleu Marine Dunkerque en Hauts de France. Cette vidéo montre le travail sur la coque du voilier après son nettoyage au jet haute pression. Il convient de gratter la coque du voilier, à la flottaison et de gratter toutes les imperfections. A ce grattage de la coque du voilier succède un ponçage manuel à la cale. Ici au 80 à l'eau. Rinçage abondant est obligatoire. Préparer le marin à être bien trempé. Une préparation plus longue donne un meilleur résultat. Ici ce travail de grattage et de ponçage a été effectué en une journée. Notre voilier est un A35. Il est utilisé en école de voile, en sessions loisir ou sportives. Ce type de voilier course croisière est idéal pour l'apprentissage et le loisir. Parce que évolutif et rapide notre voilier procure énormément de plaisir à la clientèle. Voilier de 35 pieds au franc bord important notre voilier est aussi très confortable. Son plan de pont étudié pour l'efficacité dans les manœuvres en régate en fait aussi un plan de pont idéal pour les sessions plus tranquilles, entre amis ou en famille. @clubcroisierealidade

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Join us onboard for an exciting day of keelboat racing on Strangford Lough, Northern Ireland, as we compete in the Frosties Regatta, a premier winter sailing event. Our J109 yacht, prepared by Bottom Up Boats, is ready to take on the challenges of strangford lough racing, with a skilled crew focused on sail trim and performance sailing to get the best out of our boat. The regatta action is intense, with many experienced sailors and yachts competing, making for a great sail and a fantastic yacht racing experience. Onboard cam footage gives you a unique perspective of the sailing action, as we navigate through the strangford sailing course, taking in the stunning scenery of Strangford Lough. With the Irish sailing community well represented, this is a great opportunity to see J109 racing at its best, and to experience the thrill of sail racing on one of Northern Ireland's most beautiful lakes. Whether you're a seasoned sailor or just interested in yachting life, this video has something for everyone, from the thrill of the race day to the tactics and strategies employed by the crew to get the best out of our yacht and bring home a great result in the strangford racing event.

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